Malicious PDF — malware analysis report

Static analysis result for SHA-256 8eb4f40b7cdb144f…

MALICIOUS

PDF

357.5 KB Created: 2015-08-28 11:33:29 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 640488b9b12eff2cde54b9b063653122 SHA-1: 81de88ed9ad0c0e9dd310d4c07057b5955dcca60 SHA-256: 8eb4f40b7cdb144f88cbb9362e6512b10983dfd26143acfa5fc675ed9880cf63
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a critical heuristic firing indicating a link to known malicious redirector infrastructure. The embedded URL 'http://botcraftman.ru/...' is flagged as malicious. While the document body is heavily obfuscated and unreadable, the presence of this malicious link strongly suggests a phishing or malware delivery attempt. No scripts were extracted from this sample.

Heuristics 2

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://botcraftman.ru/?lip&keyword=%D1%81%D0%BA%D0%B8%D0%BD%D1%8B+%D0%BF%D0%BE+%D0%BD%D0%B8%D0%BA%D0%B0%D0%BC+%D0%B4%D0%BB%D1%8F+%D0%BC%D0%B0%D0%B9%D0%BD%D0%BA%D1%80%D0%B0%D1%84%D1%82+152+%D0%BD%D0%BE%D0%B2%D1%8B%D0%B5&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802364_google__chrome__poslednyaya_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802424_skachat__klient__minecraft_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802425_skachat__maynkraft__096_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00054dcc.bin
0a6dbd0c338374afd5ef244b3ad7e83a46765206d766a010e773e2b41b459fd4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x54DCC 8368 bytes
font_01_sfnt_off000565eb.bin
c78dc975aa63746a7824372a56b611c6433323e521c84790474d39349e1fe351		 pdf-font-stream PDF embedded font (sfnt) at offset 0x565EB 15624 bytes

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